Cth F over Na
FairMarathon County, Wisconsin · 0.9 MI S JCT Sth 29 · Structure no. P37097700000000
- Built
- 2005
- 20 years old
- Condition
- Fair
- inspected November 2024
- Type
- Culvert
- Steel
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 545
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Cth F over Na is a steel culvert carrying Cth F over Na in Marathon County, Wisconsin. It was built in 2005, so it is 20 years old, younger than the Wisconsin average of 40.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 545 vehicles a day, projected to reach 545 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 13.7 mi (22 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 9 Excellent | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cth F over Na built?
It was built in 2005, making it 20 years old in 2025.
What condition is Cth F over Na in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.
How much traffic does Cth F over Na carry?
About 545 vehicles per day (2024 count).
How long is Cth F over Na?
The structure is 24 ft (7.3 m) long.
Who owns Cth F over Na?
It is owned by the County Highway Agency.